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Insulate and Seal

Save up to
$425

Insulate and Seal

By improving your home's energy efficiency with insulation and air sealing, you can save big on your energy bills and make your home more comfortable. In fact, many energy efficiency improvements pay for themselves quickly in energy savings.

Attic

Does your home feel drafty in the winter? Do you experience uneven temperatures between rooms or walking down hallways? Is your heating and cooling equipment running constantly, even when you don't think it should be? If you answered "yes" to any of these questions, then you might need to seal the leaks and increase the amount of insulation in your attic. Attic insulation and attic air sealing are proven to provide lifelong energy savings – and improve the quality of the air you breathe every day.

Signs that you need better attic insulation in your home:

  • Drafty rooms
  • Rooms that are too hot or too cold
  • Uneven temperatures between rooms
  • High heating or cooling bills

Attic rebate eligibility requirements:

  • You must be a Duke Energy residential electric service customer residing in a single-family home, condominium, mobile home, townhome or duplex.
  • Cash rebates are paid for qualifying completed home improvements after all application and supporting documentation is submitted and approved, within 90 days of date of service for work completed after the program start date of Oct. 1, 2012.
  • Your attic insulation has to be improved from R-19 or below to at least R-30, and your home leakage rate must be improved by at least 5 percent.
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Ductwork

You pay to heat and cool the air in your home. In a typical home, about 20 percent of that air is lost due to leaks, holes and poor connections in your ductwork. The end result? Your energy bill is higher than it should be and your home is not as comfortable as it could be. A properly sealed and insulated duct system can save energy and money – plus, you'll enjoy better comfort and indoor air quality.

Your ductwork needs repair if you have:

  • High winter and summer utility bills
  • Dirty ceilings and dirty vents
  • Rooms that are difficult to heat or cool
  • Stuffy rooms that never seem to feel comfortable
  • Spider webs
  • Dirty carpet corners
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To be eligible for the duct insulation rebate, your duct system must:

  • Serve at least 1,000 square feet of air-conditioned space
  • Be increased in insulation level from R-0 to R-6 (if ductwork is located in an unconditioned basement or crawlspace), or from R-4.2 or below to R-19 (if ductwork is located in an unconditioned attic).
  • Have reduced duct leakage by a minimum of 12 percent
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Frequently asked questions

How often can I receive a cash rebate for insulating and sealing my home?

You can receive the attic insulation and air-sealing rebate one time per household. The duct sealing incentive will be paid one time per duct system. So, if you have two systems in different areas of your home, such as the attic and an unconditioned basement, you could qualify for two cash incentives.

What are the benefits of air sealing my attic and adding insulation?

If you’re considering energy efficiency improvements, this should be first on the list. The attic is usually where you can find some of the largest opportunities to save energy in your home. By air sealing in your attic, you can stop many major air leaks and help to maintain your desired temperature throughout your home.

I've heard the "R-value" of my insulation is important. What is it and how can I improve it?

If you live in an older home and have never upgraded your insulation, you'll see a significant increase in your comfort and a decrease in your energy bills by upgrading your attic insulation to a higher R-value. The R-value of insulation indicates its resistance to heat flow. In the summer, insulation with a higher R-value is better at keeping hot air out. And, in the winter, it's better at keeping warm air inside. If you'd like to increase your comfort and decrease your energy bills, take advantage of the Insulate and Seal incentive and upgrade your home's insulation to an R-value of R-30 or higher.

What can I do if I am experiencing hot or cold spots in my house?

If you have uneven temperatures in different parts of your house, it could mean your duct system is wasting up to 20 percent of your home's energy. Since your ducts typically run underneath the house or through the attic, they can be exposed to many hazards, such as extreme weather, rodent activity or accidental damage from items stored in attics.